This copper-coated, multi-arched dome is surrounded by a moat and lights up at night.

From a distance, this statue of an eagle looks like a giant chicken on a stick.

Sacred waters rescued from the wrath of a volcano.

The world's only complete colossal squid specimen is on display at the Te Papa Museum.

A rustic place to spend the night, complete with amazing quiver trees and outsider art.

The most alien-looking place on Earth.

Hundreds of caves filled with thousands of centuries-old statues and murals.

This ancient cave temple complex is the largest and best-preserved temple complex in Sri Lanka.

The once highest point in China blends symbolic design with a kick of adrenaline.

At the right time of day, sunlight floods through the roof of this cave and illuminates the small pavilion hidden within.

This burial cave houses around 100 ancient coffins, neatly stacked to form a massive wall.

Hundreds of wooden coffins dangle from cliffs and caves in the Philippines.

Cathedral carved out of salt, located a mile below the earth's surface.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

Neighborhood in Jerusalem is home to the ultra-orthodox haredim.

The only quarter of the Old City not dedicated to a major world religion.

Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

The Dead Sea Scrolls were discovered in the ruins of this ancient monastic community.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

Underground monastery and fortress.

A crumbling cathedral condemned by an earthquake.

Take respite inside this jaw-dropping church while climbing the volcano where Georgia's Prometheus was once chained.

When the Soviets destroyed the historic Armenian monastery they somehow left its bell tower intact.